ES2457524T3 - Técnica de llenado de datos para compresión de documentos compuestos - Google Patents

Técnica de llenado de datos para compresión de documentos compuestos Download PDF

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Publication number
ES2457524T3
ES2457524T3 ES07114947.0T ES07114947T ES2457524T3 ES 2457524 T3 ES2457524 T3 ES 2457524T3 ES 07114947 T ES07114947 T ES 07114947T ES 2457524 T3 ES2457524 T3 ES 2457524T3
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Spain
Prior art keywords
block
pixels
pixel
unimportant
border
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
ES07114947.0T
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English (en)
Spanish (es)
Inventor
Guotong Feng
Michael J. Gormish
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Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
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Publication of ES2457524T3 publication Critical patent/ES2457524T3/es
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/187—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a scalable video layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
ES07114947.0T 2006-08-25 2007-08-24 Técnica de llenado de datos para compresión de documentos compuestos Active ES2457524T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US509865 2006-08-25
US11/509,865 US8086044B2 (en) 2006-08-25 2006-08-25 Block-based iterative multi-pass data filling technique for compound document compression

Publications (1)

Publication Number Publication Date
ES2457524T3 true ES2457524T3 (es) 2014-04-28

Family

ID=38645864

Family Applications (1)

Application Number Title Priority Date Filing Date
ES07114947.0T Active ES2457524T3 (es) 2006-08-25 2007-08-24 Técnica de llenado de datos para compresión de documentos compuestos

Country Status (4)

Country Link
US (1) US8086044B2 (de)
EP (1) EP1892964B1 (de)
JP (1) JP2008054325A (de)
ES (1) ES2457524T3 (de)

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US8204306B2 (en) * 2004-06-14 2012-06-19 Xerox Corporation Method for image segmentation based on block clustering for improved processing of touching characters
US8532437B2 (en) * 2009-05-18 2013-09-10 Citrix Systems, Inc. Systems and methods for block recomposition for compound image compression
JP2011040970A (ja) * 2009-08-10 2011-02-24 Canon Inc データ処理装置、および、データ処理方法
CN104661026B (zh) * 2009-10-21 2018-03-27 Sk电信有限公司 图像编码和解码装置和方法
US8340363B2 (en) 2010-05-27 2012-12-25 Palo Alto Research Center Incorporated System and method for efficient interpretation of images in terms of objects and their parts
US8731315B2 (en) * 2011-09-12 2014-05-20 Canon Kabushiki Kaisha Image compression and decompression for image matting
JP5757904B2 (ja) * 2012-03-29 2015-08-05 京セラドキュメントソリューションズ株式会社 画像圧縮装置
US9384562B2 (en) * 2013-01-29 2016-07-05 Documill Oy Methods for visual content processing, and systems and computer program codes thereto
US9412187B2 (en) * 2013-12-20 2016-08-09 Documill Oy Delayed rendering of content
GB2528446B (en) * 2014-07-21 2021-08-04 Tobii Tech Ab Method and apparatus for detecting and following an eye and/or the gaze direction thereof
KR101946019B1 (ko) * 2014-08-18 2019-04-22 삼성전자주식회사 파노라믹 동영상을 생성하는 동영상 처리 장치 및 그 방법
US9813721B2 (en) * 2014-11-20 2017-11-07 Getgo, Inc. Layer-based video encoding
US10237559B2 (en) * 2014-11-20 2019-03-19 Getgo, Inc. Layer-based video decoding
KR20170023484A (ko) * 2015-08-24 2017-03-06 삼성전자주식회사 이미지 처리장치 및 방법
CN108924557B (zh) * 2018-06-11 2022-02-08 海信视像科技股份有限公司 图像处理方法、装置、电子设备及存储介质
US20230049492A1 (en) * 2020-01-23 2023-02-16 Volvo Truck Corporation A method for adapting to a driver position an image displayed on a monitor in a vehicle cab
US11740465B2 (en) * 2020-03-27 2023-08-29 Apple Inc. Optical systems with authentication and privacy capabilities
CN114938418A (zh) * 2021-02-04 2022-08-23 佳能株式会社 具有视线检测功能的取景器单元、摄像设备和附接配件
US20230055268A1 (en) * 2021-08-18 2023-02-23 Meta Platforms Technologies, Llc Binary-encoded illumination for corneal glint detection
US20230176377A1 (en) * 2021-12-06 2023-06-08 Facebook Technologies, Llc Directional illuminator and display apparatus with switchable diffuser
US20230274578A1 (en) * 2022-02-25 2023-08-31 Eyetech Digital Systems, Inc. Systems and Methods for Hybrid Edge/Cloud Processing of Eye-Tracking Image Data
US11912429B2 (en) * 2022-04-05 2024-02-27 Gulfstream Aerospace Corporation System and methodology to provide an augmented view of an environment below an obstructing structure of an aircraft

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5097518A (en) * 1990-02-27 1992-03-17 Eastman Kodak Company Technique for performing digital image scaling by logically combining or replicating pixels in blocks of differing groupsizes
US5379130A (en) * 1992-12-02 1995-01-03 Industrial Technology Research Institute Text/image separation method
JP3271108B2 (ja) * 1993-12-03 2002-04-02 ソニー株式会社 ディジタル画像信号の処理装置および方法
JP2003078817A (ja) * 2001-08-30 2003-03-14 Matsushita Electric Ind Co Ltd 画像合成方法、及び画像合成装置
US6941024B2 (en) * 2002-01-14 2005-09-06 Hewlett-Packard Development Company, L.P. Coder matched layer separation and interpolation for compression of compound documents

Also Published As

Publication number Publication date
US8086044B2 (en) 2011-12-27
JP2008054325A (ja) 2008-03-06
EP1892964A1 (de) 2008-02-27
EP1892964B1 (de) 2014-01-15
US20080050023A1 (en) 2008-02-28

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